The germ cell deficient locus maps to mouse Chromosome 11A2-3

M. K. Duncan, J. Lieman, K. K. Chada

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16 Scopus citations


The autosomal recessive mouse mutation, germ cell dificient, gcd, manifests as infertility in both sexes owing to improper migration and/or proliferation of primordial germ cells during embryonic development. Mice harboring this mutation have been hypothesized to be animal models of the human syndromes, premature ovarian failure and Sertoli cell only syndrome. Since the gcd mutation arose from the insertion of over 100 kb of foreign DNA into the chromosome during a transgenic mouse experiment, fluorescent in situ hybridization with the transgene as a probe was used to determine the chromosomal position of the gcd locus. DAPI chromosomal banding in conjunction with double labeling with the α1(I) collagen gene revealed that the gcd locus is situated on mouse Chromosome (Chr) 11A2-3. Two candidate genes, Lif and Oncostatin M, map near the gcd locus; however, Southern blot hybridization analysis revealed no gross rearrangements in these genes in gcd mice. The chromosomal position of the gcd locus will prove valuable in the search for other candidate genes as well as a landmark for positional cloning experiments.

Original languageEnglish (US)
Pages (from-to)697-699
Number of pages3
JournalMammalian Genome
Issue number10
StatePublished - Oct 1995

All Science Journal Classification (ASJC) codes

  • Genetics


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